From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <44E3E964.8010602@google.com> Date: Wed, 16 Aug 2006 20:58:28 -0700 From: Daniel Phillips MIME-Version: 1.0 Subject: Re: [RFC][PATCH 2/9] deadlock prevention core References: <20060808211731.GR14627@postel.suug.ch> <44DBED4C.6040604@redhat.com> <44DFA225.1020508@google.com> <20060813.165540.56347790.davem@davemloft.net> <44DFD262.5060106@google.com> <20060813185309.928472f9.akpm@osdl.org> <1155530453.5696.98.camel@twins> <20060813215853.0ed0e973.akpm@osdl.org> In-Reply-To: <20060813215853.0ed0e973.akpm@osdl.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Peter Zijlstra , David Miller , riel@redhat.com, tgraf@suug.ch, linux-mm@kvack.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Mike Christie List-ID: Andrew Morton wrote: > Peter Zijlstra wrote: >>Testcase: >> >>Mount an NBD device as sole swap device and mmap > physical RAM, then >>loop through touching pages only once. > > Fix: don't try to swap over the network. Yes, there may be some scenarios > where people have no local storage, but it's reasonable to expect anyone > who is using Linux as an "enterprise storage platform" to stick a local > disk on the thing for swap. > > That leaves MAP_SHARED, but mm-tracking-shared-dirty-pages.patch will fix > that, will it not? Hi Andrew, What happened to the case where we just fill memory full of dirty file pages backed by a remote disk? Regards, Daniel -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org